If everyone that would have paid pirates a movie then the movie industry collapses.

If everyone that wouldn't have paid pirates a movie then nothing bad happens and people enjoy things.

Arguing one of those facts while ignoring the other one is a mark of a bad argument.

If everyone took the bus the car industry would also collapse. But if buses didn't exist people might take the train instead.

You can't just assume that people that don't use your service would be paying customers if a specific alternative wasn't there.